1987- the Tsing Yi North Bridge opens in Hong Kong.
This Day in History
1787- Designer of Eldon Square in England, John Dobson, is born.
1864- the Clifton Suspension Bridge, a toll suspension bridge, opens in England.
1732- the Royal Opera opens at Covent Garden, London.
2011- The 36-floor Prime Tower opens in Zurich, Switzerland.
2001- Construction on the William J. Clinton Presidential Library begins.
1812- Horse-drawn mower is patented.
2013- Ground breaking for the construction of the U.S. Bank Stadium in Minneapolis, Minnesota, home of the Minnesota Vikings.
1932- the West End Bridge, a tied-arch bridge, opens in Pittsburgh, Pennsylvania.
The first solo flight in a hot-air balloon occurs when Jacques Alexandre Cesar Charles flies over 36 kilometers at 3,500 meters in the air.